De Minaur A — Auger-Aliassime F

Cabral F / Miedler L — Arends S / Arneodo R

Popyrin A / Tsitsipas S — Machac T / Munar J

Bolelli S / Vavassori A — Pavlasek A / Smith J-P

Khachanov K / Rublev A — Heliovaara H / Patten H

Cash J / Glasspool L — Humbert U / Rinderknech A

Bublik A / Shang Juncheng — Arevalo M / Pavic M

Nouza P / Rikl P — Halys Q / Herbert P-H

Ho Ray / Jebens H — Bolelli S / Vavassori A

Doumbia S / Reboul F — Demoliner M / Romboli F

Gille S / Verbeek S — Meligeni Alves F / Zormann M

Frantzen C / Haase R — Darderi L / Etcheverry T M

Andreozzi G / Guinard M — Luz O / Matos R

Cerundolo F / Comesana F — Schnaitter J / Wallner M

Fonseca J / Melo M — Dzumhur D / Muller A

Erler A / Galloway R — King E / Peers J

Hilderbrand T / Kiger M — Hijikata R / Walton A

Arribage T / Olivetti A — Gonzalez S / Pel D

Johnson L / Zielinski J — Kecmanovic M / Nakashima Brandon

Michelsen A / Ram R — Kirkov V / Stevens B

Diallo G / Quinn E — Krajicek A / Mektic N

Balaji N S / Oberleitner N — Kittay B / Seggerman R

Golubev A / Nedovyesov A — Behar A / Romios M

Cash R / Tracy J — Borges N / Reyes-Varela M A

Collarini A/Kicker N — Luz O / Matos R